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Convection Induced Air-Water Interface Assembly of Amyloid Fibrils

Bäcklund, Fredrik Gustaf (author)
Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
Ajjan, Fátima Nadia (author)
Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
Solin, Niclas (author)
Linköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten
 (creator_code:org_t)
English.
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  • We report that hydrophobically modified amyloid fibrils form macroscopic films at the air-water interface. The hydrophobically modified fibrils are prepared in a two step process. First bovine insulin is ground with a hydrophobic compound. The resulting material is dissolved in acidic water and heated to induce assembly into fibrils incorporating the hydrophobic compounds. Upon dilution followed by asymmetric heating, resulting in convection flow, the fibrills form highly ordered films with thicknesses from 80 nm and up. The thickness of the film can be controlled by the fibril concentration and/or reaction time. The films contain anisotropic domains spanning several square centimeters. In addition, the films contains ordered assemblies of dyes that display emission of polarized light.

Subject headings

NATURVETENSKAP  -- Kemi -- Organisk kemi (hsv//swe)
NATURAL SCIENCES  -- Chemical Sciences -- Organic Chemistry (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP  -- Medicinsk bioteknologi -- Biomaterialvetenskap (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Medical Biotechnology -- Biomaterials Science (hsv//eng)

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